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EFIS-D100 Installation Guide - Dynon Avionics

EFIS-D100 Installation Guide - Dynon Avionics

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3. INSTRUMENT INSTALLATION<br />

This section provides you with the information needed to physically and electrically install the<br />

<strong>EFIS</strong>-<strong>D100</strong>.<br />

Selecting a Remote Compass Module Location<br />

Finding a good location for the EDC-D10A<br />

remote compass module is critical to an<br />

accurate <strong>EFIS</strong>-<strong>D100</strong> heading display. Keep<br />

in mind that calibration can compensate for<br />

small static magnetic fields superimposed<br />

upon the earth’s field; it cannot take<br />

into account dynamic effects like<br />

AC currents, non-constant DC<br />

currents and non-stationary ferrous<br />

material (e.g., an electric turn<br />

coordinator). Use the following<br />

suggestions to help you find a good<br />

location for your EDC-D10A.<br />

Keep the EDC-D10A away from<br />

any source of magnetic fields<br />

(such as electrical equipment and currentcarrying<br />

wires) and ferrous material.<br />

Move a handheld compass throughout the<br />

space surrounding your location to get a rough<br />

idea of the suitability of your chosen location.<br />

If the needle deviates significantly from<br />

magnetic north in any given area, that location<br />

would not be ideal for the EDC-D10A.<br />

The EDC-D10A can be mounted anywhere in<br />

the aircraft (away from magnetic interference)<br />

such that its pitch is as close to that of the<br />

<strong>EFIS</strong>-<strong>D100</strong> as possible. It does not need to be<br />

directly along any axis of the <strong>EFIS</strong>-<strong>D100</strong>. It<br />

should be mounted with the long axis<br />

parallel to the wings, the electrical<br />

connector facing toward the front of the<br />

plane, and the mounting tabs on the bottom.<br />

The bracket used to hold the EDC-D10A<br />

must hold the EDC-D10A at the same pitch,<br />

roll, and yaw as the <strong>EFIS</strong>-<strong>D100</strong> with respect<br />

to the airframe. We recommend that you use<br />

an electronic level, if available, to make<br />

sure the EDC-D10A is aligned with the<br />

<strong>EFIS</strong>-<strong>D100</strong> to better than 1 degree.<br />

Connector toward<br />

direction of flight<br />

Connector forward and<br />

tabs mounted down<br />

Side view of EDC-D10A, tabs mounted<br />

d own and aligned within 1 degree of pitch<br />

with <strong>EFIS</strong>-<strong>D100</strong><br />

<strong>EFIS</strong>-<strong>D100</strong> <strong>Installation</strong> <strong>Guide</strong> 3-1

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